Can't deploy container image to lambda function

Question

I try to deploy container image to lambda function, but this error message appear

The image manifest or layer media type for the source image <image_source> is not supported.

here is my Dockerfile, i believe i have use the proper setup

FROM public.ecr.aws/lambda/python:3.8

# Install dependencies
COPY requirements.txt ./
RUN pip install -r requirements.txt

# Copy function code
COPY app/* ./

# Set the CMD to your handler
CMD [ "lambda_function.lambda_handler" ]

Answer 1

Try by specifying the target platform of the image you build as amd64 :

docker build --platform linux/amd64. -t my_image docker build --platform linux/amd64. -t my_image .

I get the same error while trying to deploy a lambda based on an image that supports both linux/amd64 and linux/arm64/v8 (Apple Silicon) architectures.

Answer 2

If you are using buildx >= 0.10 specifying target platform does not work since it also creates multi-platform index by default.

To fix this problem set --provenance=false to docker build.

For more details please see: https://github.com/docker/buildx/issues/1509#issuecomment-1378538197